insects
annelids
arthropods
invertabrate chordates/ echinoderms
mollusks
100

Metamorphosis with 4 phases; egg, larva, pupa, adult  

Complete 

100

Grind food down for worms 

Gizzard 

100

Produce silk for webs in spiders 

Spinnerets 

100

Alternate name for a sea squirt 

Tunicate 

100

Fleshy hollow tubes of clams 

Siphons 

200

Sound sensing membrane on the abdomen 

Tympanum 

200

Tough carbonate 

Chitin 

200

Excretory organs in spiders 

Malpighian tubules 

200

How do starfish reproduce asexually 

Regeneration 

200

Cavity space between the mantle and visceral mass 

Mantle 

300

First job of worker bees 

Nurse (maid) bee 

300

Temporary food storage 

Crop

300

Extinct group of ancient arthropods 

Trilobites 

300

Calcium carbonate plates that attach to the spine 

Ossicles 

300

Rounded like strip that has teeth the point backwards

Radula 

400

Study of insects 

Entomology 

400

Type of annelid that is a parasite with suckers 

Leech 

400

Paddle like tail on a crayfish 

Uropod/ telson 

400

Where water leaves the lancet body 

Atriopore 

400

siphon where water leaves the body of a clam 

Excurrent 

500

Insect substance that controls processes like molting 

Pheromone 

500

Fleshy appendages that help move 

Parapodia 

500

Free swimming larval crustecean 

Nauplia 

500

Class of sea lilies and feather star meaning lily like 

Crinoids 

500

Class of mollusks that are stomach footed; snails, abalones, conches; have a single shell

Gastropoda 

M
e
n
u